2018 B9 Sunroof issues

   #1  

angry_at_russia

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Hello.

My sunroof all of a sudden decided to stop operating and close position now brings it to tilt. VCDS scan shows the following.

Code:
Address CA: Sunroof (J245)       Labels:* None
   Part No SW: 4M0 907 594 A    HW: 4M0 907 594 
   Component: SAD_STG_1     012 0003  
   Coding: 208000000000
   
   ASAM Dataset: EV_SunRoofCONTIAU736 004008
   ROD: EV_SunRoofCONTIAU736_004_VW37.rod
  

3 Faults Found:
0264 - Sunroof 
          B1543 54 [009] - Missing Calibration / Basic Setting
          Confirmed - Tested Since Memory Clear
             Freeze Frame:
                    Fault Status: 00000001
                    Fault Priority: 5
                    Fault Frequency: 1
                    Reset counter: 62
                    Mileage: 9564 km
                    Date: 2017.09.29
                    Time: 16:05:58

                    Sunroof-Position: 0 %
                    Sunroof-Direction of movement: Not moving
                    Sunroof-Norming: not normed
                    Sunroof-Position: Slid.position
                    Sunroof-Excessive temperature protection: not active
                    Sunroof-Reversing: not active
                    Sunroof-Adaption depth: 100 %

0265 - Motor for Sunroof 
          B1570 F0 [008] - Over-Temp Protection Active
          Intermittent - Confirmed - Tested Since Memory Clear
             Freeze Frame:
                    Fault Status: 00000001
                    Fault Priority: 6
                    Fault Frequency: 9
                    Reset counter: 105
                    Mileage: 9582 km
                    Date: 2017.09.30
                    Time: 08:04:55

                    Temperatures-Control module: -50.00 °C
                    Temperatures-Outside temperature: filtered: 6.50 °C
                    Temperatures-Motor for sunroof: 110.00 °C
                    Temperatures-Roof shade motor: not installed

0325 - No Vehicle Type Coded 
          B1694 00 [009] -  - 
          Confirmed - Tested Since Memory Clear
             Freeze Frame:
                    Fault Status: 00000001
                    Fault Priority: 5
                    Fault Frequency: 1
                    Reset counter: 62
                    Mileage: 9564 km
                    Date: 2017.09.29
                    Time: 16:05:58


Anyone knows how to reset/calibrate it in VCDS?
 
   #2  

NEtech

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Do you have an Autoscan before and after the problem ?
The coding does not look correct to me.
 
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   #3  

Jack@European_Parts

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Open sunroof all the way & turn key off then see if closing all the windows with key from outside the car will readapt basic by using the lock cylinder.
 
   #4  

angry_at_russia

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Do you have an Autoscan before and after the problem ?
The coding does not look correct to me.

This is the auto scan after the problem... Before the problem there were no errors... I did not do any changes to the car. It just stopped working all of a sudden...
 
   #5  

angry_at_russia

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Open sunroof all the way & turn key off then see if closing all the windows with key from outside the car will readapt basic by using the lock cylinder.

It doesn't open all the way. Only half way. Also after trying to follow the advice it looks like the keyfob function to open or close doesn't work either...
 
   #6  

angry_at_russia

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Found one from 9/14

-------------------------------------------------------------------------------
Address CA: Sunroof (J245) Labels:* None
Part No SW: 4M0 907 594 A HW: 4M0 907 594
Component: SAD_STG_1 012 0003
Coding: 208000049100
ASAM Dataset: EV_SunRoofCONTIAU736 004008
ROD: EV_SunRoofCONTIAU736_004_VW37.rod


No fault code found.
 
   #7  

angry_at_russia

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Do you have an Autoscan before and after the problem ?
The coding does not look correct to me.

Now that I look at the 9/14 scan I see what you are talking about... Any idea how it got reset like that from 208000049100 ? Did not do any coding and nothing in the logs...
 
   #8  

Jack@European_Parts

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A quick trick...........

Remove sunroof motor and operate until full stop.

Set roof with manual hex key to base position or at full vent position and be sure that motor is than in that position too.

Reinstall motor and try the functions......
 
   #9  

angry_at_russia

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A quick trick...........

Remove sunroof motor and operate until full stop.

Set roof with manual hex key to base position or at full vent position and be sure that motor is than in that position too.

Reinstall motor and try the functions......


That's waaay too much work... especially for something that is clearly software related issue :)
 
   #10  

angry_at_russia

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Dealer confirmed that motor needs to be replaced. So I guess that's that :) 7 days till part arrives from Germany. Thanks everyone for your help!
 
   #11  

Jack@European_Parts

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Usually the motor can be cleaned up and then do what I said.
 
   #12  

angry_at_russia

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If anyone is curious - part is still not in a month later...
 
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